Mark is making cookies. Each batch requires 1 ½ cups of sugar. If he wants to make 3 matches, how much sugar does he need?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

What is number 31 as a sum of tens and ones?

Of 400 people at the school carnival, 95% are students and the rest are teachers. a. how many students are at the school carnival? b. if 55% of the students at the school carnival are boys, how many are girls? c. how many teachers are at the school carnival? d. if 35% of the teachers are male and the rest are female, how many female teachers are at the carnival?